Home / 6,809,666,644-10,214,931,504.72-2,878,640,169.76

Finding the Fourth Proportional to 6,809,666,644, 10,214,931,504.72 and 2,878,640,169.76

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Solution

The fourth proportional to 6,809,666,644, 10,214,931,504.72 and 2,878,640,169.76 is: 4,318,142,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809,666,644 : 10,214,931,504.72 = 2,878,640,169.76 : x
  2. Step 2: Convert to fraction form
    6,809,666,644/10,214,931,504.72 = 2,878,640,169.76/x
  3. Step 3: Cross multiply
    6,809,666,644x = 10,214,931,504.72 × 2,878,640,169.76
  4. Step 4: Simplify right side
    6,809,666,644x = 29,405,112,160,833,953,792
  5. Step 5: Solve for x
    x = 29,405,112,160,833,953,792/6,809,666,644
  6. Step 6: Final answer
    x = 4,318,142,678.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.